package com.kzf.mapper;

import com.kzf.pojo.Dept;
import org.apache.ibatis.annotations.*;
import org.springframework.stereotype.Service;

import java.util.List;

@Mapper
public interface DeptMapper {

    @Select("select id,name,create_time,update_time from dept order by update_time desc")
    List<Dept> findAll();

    @Delete("delete from dept where id = #{id}")
    void deleteById(Integer id);

    @Insert("insert into dept (name, create_time, update_time) values (#{name},#{createTime},#{updateTime})")
    void insert(Dept dept);

    @Select("select id, name, create_time, update_time from dept where id = #{id}")
    Dept getById(Integer id);

    @Update("update dept set name = #{name},update_time=#{updateTime} where id = #{id}")
    void update(Dept dept);

    @Select("select count(*) from emp where dept_id = #{id}")
    Integer isEmpty(Integer id);
}
